Nurture Young Composers: Arouse children's interest in music and develop their creativity with our Bird Water WhistlesBy learning to compose their melodies, kids can explore their musical potential and have more fun.Fun and Educational: Let kids and teens the charm of sound with these bird water whistleshey provide an interactive way to create distinct sounds by adjusting water levels and blowing strength. They make for a unique and great gift idea, school prize, party favor, or birthday gift for boys and girls alike.Cute Bird Whistle: Experience the versatility of our bird water whistle, the sound is pure, crisp, and loud, and when water is added, the bird calls are clear, vivid, and sweet. Enjoy sweet, realistic bird whistle sounds anytime, anywhere. size: 9.5 x 6 x 6 cm Material: plastic colour: yellow+pink+blue Package Contents: 1 x Yellow waterfowl whistle 1 x Pink waterfowl whistle 1 x Blue waterfowl whistle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.